Home » Reproductive Health Class 12 Biology MCQ With Solutions

Reproductive Health Class 12 Biology MCQ With Solutions

Update on: 02 Feb 2024, 10:36 AM

The Reproductive Health Class 12 Biology MCQ with Answers has been organized according to the latest exam pattern in the CBSE Class 12 Biology syllabus. Human reproduction covers topics like reproductive health, birth control, sexually transmitted infections, infertility, These questions are designed to help students understand the concept thoroughly and will help prepare students for their upcoming CBSE class 12 biology exam. They are not only helpful for revision but also for grasping the concepts effectively. The MCQ questions for Chapter 3 Reproductive Health cover in-text book questions and important topics to help students assess their preparation level for CBSE board exams.

Recent – Human Reproduction Class 12 Biology MCQ With Solutions

CBSE Class 12 Chapter 3 Reproductive Health MCQs

Check below the CBSE Class 12 Biology MCQ with answers and Clear your idea of Chapter 3 Reproductive Health.

Q.1. Which is the hormonal method of birth control?

(a) Pill (b) IUD
(c) Vasectomy (d) Femidom

Answer

(a): Use of oral contraceptive pills is the hormonal method of birth control. Pills have to be taken daily for the period of 21 days starting preferably within the first five days of menstrual cycle. After a gap of 7 days (during which menstruation occurs) it has to be repeated in the same pattern till female desires to prevent conception. They inhibit ovulation and implantation as well as alter the quality of cervical mucus to prevent entry of sperms.

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Q.2. Which of the following is wrongly matched?

(a) IUI-semen collected from husband or donor is artificially introduced either into the vagina or into the uterus.
(b) GIFT-transfer of embryos with more than 8 blastomeres into the fallopian tube.
(c) ICSI-sperm directly injected into the ovum.
(d) ZIFT-transfer of embryos with upto 8 blastomeres into the fallopian tube.

Answer

(b): GIFT or Gamete Intra Fallopian Transfer is a method of transfer of an ovum collected from a donor female into the fallopian tube of another female who cannot produce ovum, but can provide suitable environment for its fertilisation and further development

Practice More – CBSE Sample Paper Class 12 for 2023-24 Boards | FREE PDF from MTG

Q.3. Which of the following contraceptive methods involve a role of hormone?

(a) Pills, Emergency contraceptives, Barrier methods
(b) Lactational amenorrhea, Pills, Emergency contraceptives
(c) Barrier method, Lactational amenorrhea, Pills
(d) CuT, Pills, Emergency contraceptiveWhich part of the sperm plays an important role in penetrating the egg membrane?

Answer

(b): Lactational amenorrhea method is based on the fact that ovulation and therefore the menstrual cycle do not occur during the period of intense lactation following parturition. This is because breast feeding disrupts the pattern of pulsatile release of GnRH from hypothalamus and hence reduction in gonadotropin releasing hormones. Pills are hormonal preparations (either progestogen or progestogen-estrogen combinations) in the form of tablets which are administrated orally by females. They inhibit ovulation, implantation as well as alter the quality of cervical mucus. Emergency contraceptives are pills that contain levonorgestrel, a type of progestin that helps to prevent pregnancy when taken in few days after sex.

Q.4. In which of the following techniques, the embryos are transferred to assist those females who cannot conceive?

(a) ZIFT and IUT (b) GIFT and ZIFT
(c) ICSI and ZIFT (d) GIFT and ICSI

Answer

(a): In vitro fertilisation, i.e., fertilisation outside the body in almost similar conditions as that in the body is followed by embryo transfer (ET) method. In this method, ova from the wife or donor (female) and sperms from husband or donor (male) are collected and are induced to form zygote under simulated conditions in the laboratory. The zygote or early embryos (with upto 8 blastomeres) could then be transferred into the fallopian tube (ZIFT–Zygote Intra Fallopian Transfer) and embryos with more than 8 blastomeres is transferred into the uterus (IUT – Intra Uterine Transfer) to complete its further development.

Q.5. Which of the following statements is wrong?

(a) Test tube baby is in-vitro fertilisation.
(b) Test tube baby grows within mother’s womb.
(c) Test tube baby grows within surrogate mother’s womb.
(d) Test tube baby grows following uterine fertilisation.

Answer

(d): Test tube baby involves in vitro fertilisation (IVF) that is fertilisation of male gamete and female gamete outside the body of female. But the further development occurs inside the body of biological mother or surrogate mother.

Q.6. Select the hormone-releasing Intra-Uterine Devices.

(a) Lippes loop, Multiload 375
(b) Vaults, LNG-20
(c) Multiload 375, Progestasert
(d) Progestasert, LNG-20

Answer

(d): Lippes loop is non-medicated Intra Uterine Device (IUD) while Multiload 375 is copper releasing IUD. Vault is a barrier method of birth control. It is a hemispheric dome-like rubber or plastic cap with thick rim meant for fitting over the vaginal cervix.

Q.7. Which of the following is a correct statement?

(a) IUDs once inserted need not be replaced.
(b) IUDs are generally inserted by the user herself.
(c) IUDs increase phagocytosis of sperms in the uterus.
(d) IUDs suppress gametogenesis.

Answer

(c)

Q.8. Which one of the following is not a method of contraception?

(a) Condom
(b) Pills having oxytocin and vasopressin
(c) Lippes loop
(d) Tubectomy

Answer

(b): Oxytocin is a birth hormone and vasopressin (anti- diuretic hormone) reabsorbs water from the renal tubules to conserve water in the body. They have no role in contraception.

Q.9. Which of the following contraceptive devices makes uterus unsuitable for implantation?

(a) Progestasert (b) CuT
(c) Lippes loop (d) Multiload

Answer

(a): Intra Uterine Devices (IUDs) are inserted in the uterus through vagina. These Intra Uterine Devices are the most widely accepted method of contraception in India. These are presently available as the non-medicated IUDs (e.g., Lippes loop), copper releasing IUDs (CuT, Cu7, Multiload 375) and the hormone releasing IUDs (Progestasert, LNG-20). The hormone releasing IUDs make the uterus unsuitable for implantation and the cervix hostile to the sperms.

Q.10. The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females

(a) who cannot produce an ovum
(b) who cannot retain the fetus inside uterus
(c) whose cervical canal is too narrow to allow passage for the sperms
(d) who cannot provide suitable environment for fertilisation.

Answer

(a): GIFT or Gamete Intra Fallopian Transfer is a method of transfer of an ovum collected from a donor female into the fallopian tube of another female who cannot produce ovum, but can provide suitable environment for its fertilisation and further development.

We hope the MCQs for the CBSE Class 12 Biology Chapter 3 on Reproductive Health are helpful for your board exam preparation.

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